NASA
NASA | Terrestrial Gamma-ray Flashes Create Antimatter
NASA's Fermi Gamma-ray Space Telescope has detected beams of antimatter launched by thunderstorms. Acting like enormous particle accelerators, the storms can emit gamma-ray flashes, called TGFs, and high-energy electrons and positrons....
NASA
NASA | Aqua's AMSR-E Scans Earth's Water Cycle
From June 2002 to early October 2011, the Advanced Microwave Scanning Radiometer for the Earth Observing System (AMSR-E) on the Aqua satellite provided a wealth of data about the Earth's water cycle. Among the many variables calculated...
NASA
NASA | Aqua AIRS: Visions of Weather and Climate
One of the primary instruments on NASA's Aqua spacecraft is the Atmospheric Infrared Sounder (AIRS), which is providing a detailed three-dimensional view of the atmosphere. This new view is helping scientists to better understand the...
Curated Video
What Does “T-Minus” Mean?
The term ‘T-minus’ is generally used during countdowns to space launches. During a NASA countdown to a rocket launch, ‘T-minus’ translates to ‘Time minus’; the ‘T’ stands for the exact time at which the rocket is scheduled to be...
Next Animation Studio
Pattern analysis of hospital traffic and internet search terms suggest coronavirus outbreak began in China before winter 2019
Satellite imagery of vehicle traffic around hospitals in Wuhan suggests the coronavirus may have struck the city months before the outbreak was acknowledged.
NASA
Why NASA Is Exploring The Edge Of Our Planet's Atmosphere
The Global-scale Observations of the Limb and Disk, or GOLD, instrument launches aboard a commercial communications satellite in January 2018 to inspect the dynamic intermingling of space and Earth’s uppermost atmosphere. Together, GOLD...
NASA
NASA | TIRS TVAC1 Opening the Vacuum Chamber
The Thermal InfraRed Sensor (TIRS) is part of the Landsat Data Continuity Mission (LDCM) to continue thermal imaging and to support emerging applications such as evapotranspiration rate measurements for water management. TIRS is being...
NASA
NASA | The Data Downpour
A video describing how the GPM constellation turns observed radiances and reflectivities of global precipitation into data products.
NASA
NASA | Uncovering Winter's Mystery
A brief recap of the satellite news media tour on February 1, 2012 that looked at the science of falling snow, how NASA observes snow from space, and the factors that lead to the 2010 "Snowmageddon."
NASA
NASA | The How-To Guide to Satellites: The Design Review
Building satellites isn't easy. They're complex, expensive, and not to mention hard to make! This is why whenever NASA makes a new satellite--like the MAVEN mission to Mars--its scientists and engineers do everything they can to make...
NASA
NASA | Return with LRO
The Deputy Project Manager for the Lunar Reconnaissance Orbiter (LRO) program, Cathy Peddie, expresses her personal and professional thoughts on the upcoming LRO mission. From following in the footsteps of her childhood heroes,to...
NASA
NASA | MAVEN: NASA's Next Mission to Mars
Ancient riverbeds, crater lakes and flood channels all attest to Mars's warm, watery past. So how did the Red Planet evolve from a once hospitable world into the cold, dry desert that we see today? One possibility is that Mars lost its...
NASA
NASA | Meet the SAM Team: Jesse Lewis
Sample Analysis at Mars (SAM) is a suite of instruments developed for use on the Mars Science Laboratory. By looking for evidence of water, carbon, and other important building blocks of life in the Mars soil and atmosphere, this suite...
NASA
NASA | How does NASA launch a rocket?
NASA is preparing for the launch of the Geostationary Operational Environmental Satellite-O (GOES-O) from Space Launch Complex 37 at the Cape Canaveral Air Force Station, Fla. The GOES-O launch is targeted for June 26 during a launch...
NASA
Landsat Helps Warn of Algae in Lakes, Rivers
From space, satellites such as the NASA and USGS Landsat 8 can help scientists identify where an algal bloom has formed in lakes or rivers. It’s a complicated data analysis process, but one that researchers are automating so resource...
Weatherthings
Weather Things: Weather Cycles
The orbit of Earth on a tilted axis around the sun leads to the seasons. The resulting change of angle of the sun, and length of day controls how warm we get at different times of the year. With those changes in seasons come changes in...
Next Animation Studio
NASA: NanoSail-D2's mission a success
NASA has announced the successful completion of a mission by NanoSail-D2, a mini-satellite with a solar sail that orbited the Earth for 240 days before performing a controlled reentry and burnout. NASA is interested in using solar sails...
NASA
Two Scientists Have a Frank and Honest Discussion about Antarctica
NASA Glaciologists Kelly Brunt and Alex Gardner discuss the history, challenges, and evolution of mapping the Antarctic continent and what it means for science and society. Credit: NASA’s Goddard Space Flight Center Ryan Fitzgibbons...
NASA
NASA | The Changing Chesapeake
The Chesapeake Bay receives water from the 64,000 square miles of land surrounding the bay and Landsat satellites are a critical and invaluable tool for characterizing the landscape and mapping it over time. Landsat data provides a...
NASA
NASA | Teaming Up to Test the Future of Satellite Refueling
NASA's Goddard Space Flight Center in Maryland and Kennedy Space Center in Florida joined teams and efforts to test new robotic refueling technologies that could help satellites live longer in space. During the test, a robotic arm with a...
NASA
NASA | Spacecraft Chamber of Horrors
To prepare for Servicing Mission 4, Hubble components must endure harsh tests at NASA's Goddard Space Flight Center. This feature explores test facilities at Goddard like: launch phase simulator centrifuge, the acoustic test chamber,...
NASA
NASA | OSIRIS-REx Investigates Asteroid Bennu
OSIRIS-REx will visit a Near Earth asteroid called Bennu and return with samples that may hold clues to the origins of the solar system and perhaps life itself. It will also investigate the asteroid's chance of impacting Earth in 2182....
NASA
NASA | LCRD: From Vision to Reality
Since its inception in 1958, NASA has relied exclusively on radio frequency (RF)-based communications as the only viable medium for exchanging data between a mission and a spacecraft. Today, with missions demanding communication with...
NASA
NASA | Mars Atmosphere Loss: Sputtering
How did Mars, a once wet planet, lose its early atmosphere? One possibility is through a process called "sputtering," in which atoms are knocked away from the atmosphere due to impacts with energetic particles.